.tech-stack span:nth-child(1),
.tech-stack span:nth-child(2),
.tech-stack span:nth-child(3),
.tech-stack span:nth-child(4),
.tech-stack span:nth-child(5),
.tech-stack span:nth-child(6) {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

/* Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  /* Vloggr Türkis exakt passend zum Logo (Default) */
  --primary-color: #00E0C7;
  /* Türkisfarbe aus dem Logo */
  --primary-dark: #00C4AD;
  --primary-light: #5FFFF0;
  --secondary-color: #00E0C7;
  --text-color: #333333;
  --text-light: #666666;
  --bg-color: #ffffff;
  --bg-light: #f8f9fa;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --success-color: #00E0C7;
  --error-color: #FF6B6B;
  --box-shadow: 0 5px 15px rgba(0, 224, 199, 0.1);
  --transition: all 0.3s ease;
}

/* MKAPPS Schwarz-Weiß Design - Elegant und Professionell */
[data-page="mkapps"] {
  --primary-color: #000000;
  --primary-dark: #1a1a1a;
  --primary-light: #333333;
  --secondary-color: #4a4a4a;
  --text-color: #1a1a1a;
  --text-light: #666666;
  --bg-color: #ffffff;
  --bg-light: #f5f5f5;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --success-color: #2a2a2a;
  --error-color: #333333;
  --box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
  --accent-gray: #8a8a8a;
  --hover-bg: #f9f9f9;
  --card-bg: #fafafa;
}

[data-page="mkapps"].dark-mode {
  --primary-color: #ffffff;
  --primary-dark: #e5e5e5;
  --primary-light: #cccccc;
  --secondary-color: #b3b3b3;
  --text-color: #e0e0e0;
  --text-light: #a0a0a0;
  --bg-color: #0a0a0a;
  --bg-light: #1a1a1a;
  --border-color: #2a2a2a;
  --shadow-color: rgba(255, 255, 255, 0.05);
  --box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  --accent-gray: #666666;
  --hover-bg: #151515;
  --card-bg: #121212;
}

.dark-mode {
  --primary-color: #00E0C7;
  /* Behalte das exakte Türkis vom Logo */
  --primary-dark: #00C4AD;
  --primary-light: #5FFFF0;
  --secondary-color: #00E0C7;
  --text-color: #e0e0e0;
  --text-light: #a0a0a0;
  --bg-color: #121212;
  --bg-light: #1e1e1e;
  --border-color: #333;
  --box-shadow: 0 5px 15px rgba(0, 224, 199, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: var(--transition);
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-dark);
}

.hidden {
  display: none !important;
}

/* Header & Navigation */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background-color: var(--bg-color);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 60px;
  /* Größeres Logo (vorher 40px) */
  margin-right: 15px;
}

.logo h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  transition: var(--transition);
}

.right-controls {
  display: flex;
  align-items: center;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

nav ul li a:hover {
  color: var(--primary-color);
}

nav ul li a:hover::after {
  width: 100%;
}

/* Language Selector */
.language-selector {
  display: flex;
  margin-right: 1rem;
  background-color: var(--bg-light);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 2px 5px var(--shadow-color);
}

.language-selector button {
  padding: 5px 10px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Poppins', sans-serif;
  color: var(--text-color);
}

.language-selector button.active {
  background-color: var(--primary-color);
  color: white;
}

/* Bessere Sichtbarkeit für MKAPPS Seiten */
[data-page="mkapps"] .language-selector button {
  color: #000000;
}

[data-page="mkapps"].dark-mode .language-selector button {
  color: #ffffff;
}

[data-page="mkapps"] .language-selector button.active {
  background-color: #000000;
  color: #ffffff;
}

[data-page="mkapps"].dark-mode .language-selector button.active {
  background-color: #ffffff;
  color: #000000;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
  display: flex;
  align-items: center;
  margin-right: 1.5rem;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
}

input:checked+.slider {
  background-color: var(--primary-color);
}

input:checked+.slider:before {
  transform: translateX(30px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
}

/* Main Content */
main {
  flex: 1;
  padding: 0 5%;
}

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 0;
}

.central-logo-container {
  margin-bottom: 2rem;
}

.central-vloggr-logo {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 20px;
  box-shadow: var(--box-shadow);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  color: var(--text-color);
}

.hero h2 {
  font-size: 1.8rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  font-weight: 400;
  max-width: 800px;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
}

.app-store-button,
.play-store-button {
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-store-button i,
.play-store-button i {
  margin-right: 10px;
  font-size: 1.2rem;
}

/* Scroll Indicator */
.scroll-indicator {
  text-align: center;
  margin-bottom: 4rem;
}

.scroll-indicator p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.scroll-arrow {
  animation: bounce 2s infinite;
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-15px);
  }

  60% {
    transform: translateY(-7px);
  }
}

/* Features Section */
.featured-section {
  margin-bottom: 4rem;
}

.featured-section h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2.2rem;
  color: var(--text-color);
}

.featured-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background-color: var(--bg-light);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  margin-bottom: 3rem;
}

.project-image {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

.project-image img {
  width: 100%;
  max-width: 400px;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: contain;
}

.project-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.project-info p {
  margin-bottom: 1.2rem;
  color: var(--text-light);
  line-height: 1.6;
  font-size: 1.05rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  gap: 0.8rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

.tech-stack span {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: 0.8rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
  margin-inline: auto;
}

.feature-icon i {
  font-size: 1.8rem;
  color: white;
}

.feature-card h3 {
  margin-bottom: 1rem;
  font-size: 1.3rem;
  color: var(--primary-color);
  text-align: center;
}

.feature-card p {
  color: var(--text-light);
  text-align: center;
}

/* Vloggr Highlight Box */
.vloggr-highlight {
  background: linear-gradient(135deg, rgba(0, 224, 199, 0.15), rgba(0, 224, 199, 0.05));
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
  border: 1px solid rgba(0, 224, 199, 0.2);
  position: relative;
  box-shadow: none;
  /* Schatten entfernt */
}

.vloggr-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-color), transparent);
  border-radius: 12px 12px 0 0;
}

/* FAQ Section */
.faq-section {
  margin-bottom: 4rem;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2.2rem;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  background-color: var(--bg-light);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 500;
}

.toggle-icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item.active .toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 500px;
}

.faq-answer p {
  color: var(--text-light);
}

/* Contact Section */
.contact-container {
  padding: 4rem 0;
}

.contact-header {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-header p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}

.contact-info {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
  margin-top: 0.3rem;
}

.info-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.info-item p {
  color: var(--text-light);
}

.info-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.info-item a:hover {
  text-decoration: underline;
}

.social-links-contact h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.social-icons {
  display: flex;
  gap: 1.5rem;
}

.social-icons a {
  font-size: 1.8rem;
  color: var(--text-color);
  transition: var(--transition);
}

.social-icons a:hover {
  color: var(--primary-color);
  transform: translateY(-3px);
}

.contact-form {
  background-color: var(--bg-light);
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Poppins', sans-serif;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 184, 196, 0.3);
}

.vloggr-contact-cta {
  margin-top: 4rem;
  padding: 2.5rem;
  text-align: center;
  background-color: var(--bg-light);
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.vloggr-contact-cta h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.vloggr-contact-cta p {
  max-width: 800px;
  margin: 0 auto 1.5rem;
  color: var(--text-light);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: 'Poppins', sans-serif;
}

.btn.primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 184, 196, 0.3);
}

.btn.secondary {
  background-color: transparent;
  color: var(--text-color);
  border: 2px solid var(--primary-color);
}

.btn.secondary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 184, 196, 0.3);
}

/* Footer */
footer {
  background-color: var(--bg-light);
  padding: 2rem 5%;
  text-align: center;
  margin-top: 4rem;
  transition: var(--transition);
}

.social-links {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.social-links a {
  color: var(--text-color);
  font-size: 1.5rem;
  margin: 0 1rem;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-links {
  margin-bottom: 1rem;
}

.footer-links a {
  margin: 0 1rem;
  color: var(--text-color);
}

.footer-links a:hover {
  color: var(--primary-color);
}

/* Animations */
/* Pulse Animation für das Logo mit Vloggr Türkis */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 224, 199, 0.7);
  }

  70% {
    box-shadow: 0 0 0 15px rgba(0, 224, 199, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 224, 199, 0);
  }
}

.vloggr-pulse {
  animation: pulse 2s infinite;
}

/* Form Notification */
.form-notification {
  padding: 12px;
  margin-top: 20px;
  border-radius: 6px;
  font-weight: 500;
  animation: slideIn 0.3s ease;
}

.form-notification.success {
  background-color: rgba(0, 224, 199, 0.2);
  color: var(--primary-color);
  border: 1px solid rgba(0, 224, 199, 0.5);
}

.form-notification.error {
  background-color: rgba(255, 107, 107, 0.2);
  color: #e74c3c;
  border: 1px solid rgba(255, 107, 107, 0.5);
}

.form-notification.fade-out {
  opacity: 0;
  transition: opacity 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateY(-10px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .featured-project {
    grid-template-columns: 1fr;
  }

  .project-image {
    order: -1;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }

  nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-color);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: 0.3s;
    padding: 5rem 2rem;
    z-index: 999;
  }

  nav.open {
    right: 0;
  }

  nav ul {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul li {
    margin: 1rem 0;
  }

  .dark-mode-toggle {
    margin-right: 1rem;
  }

  .central-vloggr-logo {
    width: 120px;
    height: 120px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero h2 {
    font-size: 1.3rem;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .logo h1 {
    font-size: 1.5rem;
  }

  .logo-img {
    height: 30px;
  }

  .language-selector {
    margin-right: 0.5rem;
  }

  .language-selector button {
    padding: 3px 8px;
    font-size: 12px;
  }

  .dark-mode-toggle {
    margin-right: 0.5rem;
  }

  .switch {
    width: 50px;
    height: 26px;
  }

  .slider:before {
    height: 18px;
    width: 18px;
  }

  input:checked+.slider:before {
    transform: translateX(24px);
  }

  .mobile-nav-toggle {
    font-size: 1.3rem;
  }

  .central-vloggr-logo {
    width: 100px;
    height: 100px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero h2 {
    font-size: 1.1rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .vloggr-contact-cta {
    padding: 1.5rem;
  }
}

/* Hamburger Menu Animation */
.hamburger-menu-open .bar:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger-menu-open .bar:nth-child(2) {
  opacity: 0;
}

.hamburger-menu-open .bar:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

body.menu-open {
  overflow: hidden;
}

/* Hintergrundbeleuchtungs-Effekt für das App-Preview Bild */

/* Container-Styling */
.project-image {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  z-index: 1;
}

/* Hintergrundbeleuchter (Scheinwerfer) */
.project-image::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(0, 224, 199, 0.5) 0%, rgba(0, 224, 199, 0) 70%);
  transform: translate(-50%, -50%);
  z-index: -1;
  opacity: 0;
  transition: all 0.6s ease;
  border-radius: 50%;
}

/* Aktiviere den Scheinwerfer beim Hover */
.project-image:hover::before {
  width: 300px;
  height: 300px;
  opacity: 0.8;
}

/* Das Bild selbst */
.project-image img {
  position: relative;
  width: 100%;
  max-width: 400px;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: contain;
  transition: transform 0.5s ease;
  z-index: 2;
  /* Stellt sicher, dass das Bild über dem Hintergrundeffekt liegt */
}

/* Hover-Effekt für das Bild */
.project-image:hover img {
  transform: scale(1.08);
}

/* Dunklerer Hintergrund für den Scheinwerfer-Effekt im Dark Mode */
.dark-mode .project-image::before {
  background: radial-gradient(circle, rgba(0, 224, 199, 0.6) 0%, rgba(0, 224, 199, 0) 70%);
}

/* ========================================
   MKAPPS Specific Styles
   ======================================== */

/* MKAPPS Elegant Black & White Enhancements */
[data-page="mkapps"] .hero h1 {
  background: linear-gradient(135deg, #000000 0%, #2a2a2a 50%, #000000 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -0.02em;
}

[data-page="mkapps"].dark-mode .hero h1 {
  background: linear-gradient(135deg, #ffffff 0%, #cccccc 50%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-page="mkapps"] .feature-card {
  background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
  border: 1px solid #e5e5e5;
  position: relative;
  overflow: hidden;
}

[data-page="mkapps"] .feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #000000 0%, #666666 50%, #000000 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

[data-page="mkapps"] .feature-card:hover::before {
  opacity: 1;
}

[data-page="mkapps"].dark-mode .feature-card {
  background: linear-gradient(135deg, #121212 0%, #1a1a1a 100%);
  border: 1px solid #2a2a2a;
}

[data-page="mkapps"].dark-mode .feature-card::before {
  background: linear-gradient(90deg, #ffffff 0%, #666666 50%, #ffffff 100%);
}

[data-page="mkapps"] .feature-icon {
  background: linear-gradient(135deg, #f5f5f5 0%, #e5e5e5 100%);
  color: #000000;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

[data-page="mkapps"].dark-mode .feature-icon {
  background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.05);
}

[data-page="mkapps"] .btn.primary {
  background: linear-gradient(135deg, #000000 0%, #2a2a2a 100%);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  position: relative;
  overflow: hidden;
}

[data-page="mkapps"] .btn.primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

[data-page="mkapps"] .btn.primary:hover::before {
  left: 100%;
}

[data-page="mkapps"].dark-mode .btn.primary {
  background: linear-gradient(135deg, #ffffff 0%, #e5e5e5 100%);
  color: #000000;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

[data-page="mkapps"].dark-mode .btn.primary::before {
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
}

[data-page="mkapps"] .btn.secondary {
  border: 2px solid #000000;
  color: #000000;
  background: transparent;
}

[data-page="mkapps"] .btn.secondary:hover {
  background: #000000;
  color: #ffffff;
}

[data-page="mkapps"].dark-mode .btn.secondary {
  border: 2px solid #ffffff;
  color: #ffffff;
}

[data-page="mkapps"].dark-mode .btn.secondary:hover {
  background: #ffffff;
  color: #000000;
}

[data-page="mkapps"] .tech-stack span {
  background: linear-gradient(135deg, #e5e5e5 0%, #cccccc 100%);
  color: #1a1a1a;
  border: 1px solid #d0d0d0;
}

[data-page="mkapps"].dark-mode .tech-stack span {
  background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
  color: #e5e5e5;
  border: 1px solid #333333;
}

[data-page="mkapps"] .stat-card {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border: 1px solid #e5e5e5;
}

[data-page="mkapps"].dark-mode .stat-card {
  background: linear-gradient(135deg, #1a1a1a 0%, #121212 100%);
  border: 1px solid #2a2a2a;
}

[data-page="mkapps"] .about-section {
  background: linear-gradient(180deg, #fafafa 0%, #f5f5f5 100%);
  border: 1px solid #e5e5e5;
}

[data-page="mkapps"].dark-mode .about-section {
  background: linear-gradient(180deg, #121212 0%, #0a0a0a 100%);
  border: 1px solid #2a2a2a;
}

[data-page="mkapps"] .project-image img {
  filter: grayscale(0);
  transition: filter 0.3s ease;
}

[data-page="mkapps"] header {
  border-bottom: 1px solid #e5e5e5;
}

[data-page="mkapps"].dark-mode header {
  border-bottom: 1px solid #2a2a2a;
}

/* Back to Parent Button */
.back-to-parent {
  padding: 2rem 0 0 0;
  margin-bottom: -2rem;
}

.back-to-parent .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Portfolio Section */
.portfolio-section {
  padding: 4rem 0;
  margin: 4rem 0;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1.2rem;
  margin-bottom: 3rem;
}

.project-subtitle {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* About Section */
.about-section {
  padding: 4rem 0;
  margin: 4rem 0;
  background-color: var(--bg-light);
  border-radius: 20px;
}

.about-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding: 2rem;
}

.about-text h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.about-text h3:first-child {
  margin-top: 0;
}

.about-text p {
  line-height: 1.8;
  color: var(--text-light);
}

.about-stats {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
}

.stat-card {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--shadow-color);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--text-light);
  font-weight: 500;
}

/* Button Variants */
.btn.secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn.secondary:hover {
  background-color: var(--primary-color);
  color: white;
}

[data-page="mkapps"].dark-mode .btn.secondary:hover {
  color: #000000;
}

/* Responsive Styles for New Sections */
@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .project-links {
    flex-direction: column;
  }

  .project-links .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   Dark Mode Toggle Verbesserungen für MKAPPS
   ======================================== */

[data-page="mkapps"] .slider {
  background-color: #e0e0e0;
  border: 2px solid #cccccc;
}

[data-page="mkapps"].dark-mode .slider {
  background-color: #333333;
  border: 2px solid #555555;
}

[data-page="mkapps"] input:checked+.slider {
  background-color: #000000;
  border-color: #000000;
}

[data-page="mkapps"].dark-mode input:checked+.slider {
  background-color: #ffffff;
  border-color: #ffffff;
}

[data-page="mkapps"] .slider:before {
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-page="mkapps"].dark-mode .slider:before {
  background-color: #000000;
  box-shadow: 0 2px 4px rgba(255, 255, 255, 0.1);
}

[data-page="mkapps"] input:checked+.slider:before {
  background-color: #ffffff;
}

[data-page="mkapps"].dark-mode input:checked+.slider:before {
  background-color: #000000;
}